INDEX. 



601 



Hooker, Dr. Joseph Dalton, his dis- 

 covery of sporules in Lcpidostrobus, 

 588 ; his essay oiij Lcpidostrobus, 

 589, 590 



Horslicld, Dr. Samuel, drawiiif^s and 

 spcciniens of Kalllcsia ArnoKli, 

 brought to England by, 373 ; 

 account of a figure of a second 

 species of RalBcsia observed by him 

 in Java, 3SS-9 



Hove, Mr., plants collected by him in 

 the vicinity of Cape Coast, 152 



Hoya carnosa, dehiscence of its 

 pollen mass, 527; rupture of the 

 mass and production of ])ollen 

 tubes, 529, 5oO; circulation in its 

 pollen-tubes, 530 note 



Hydnora compared with liafflcsia, 

 388, 396-7, 401—410; structure 

 of its ovarium, 401 ; ovula, 407 ; 

 seeds and embryo, 409, 410 ; its 

 characters, 427 



Hydnora Africana, description of, 

 41(319; H. Americana, characters 

 of, H. triceps, characters of, ibid. 



Hydnorese, a tribe of Rafflesiaccse, 

 411 ; its characters, 427 



Hydroleee, foundation of the order and 

 its affinities, 135 



Hydropeltideae, a section of Nymph^a- 

 ceaj, arrangement of ovula in, 55(5 



Hymeuanthera, a genus intermediate 

 between Violese and Poly galeae, 

 125 



HyptTclyptum, a corruption of the name 

 Hypailytrum, 144 



Hypailytrum, observations on the 

 structure of the genus, 144-5 



HypoxidccV, ciiaracters of the order 

 and observations on its distribution 

 in Terra Anstralis, 51 



Hypoxis fascicularis, a species of 

 Coichicum of the section .Mono- 

 caryum, 298—300 



Impregnation, difficulties regarding 

 the point of, in the ovulum, 453 ; 

 mode of, in Orchideae, 506 — 510 ; 

 artificial impregnation in, 538; in 

 AsclepiadesD, 528-9 



Insects, frequency and necessity of 

 their aid in the impregnation of 

 Orchideie and Asclepiadeie, 531; 

 a single insect capable of impreg- 

 nating many Uowcrs, 53S ; insect- 



forms of flowers inOphrys intended 

 to deter and not to attract insects, 

 538 

 Iridcffi, the double stigmata of several, 

 559; their relation to the cells of 

 the ovarium in 559, 560 



Jack, "William, letter to Mr. Brown 



on the gigantic flower, afterwards 



called Kaillcbia, 394 



Juncea;, observations on the order, 



and on its distribution in Terra 



I Australis, 52, 439; observations on 



! Kingia, Dasypogon, Calectasia, and 



I Xerotes, as referriblc to the orilcr, 



I 439 



I King, Philip Parker, plants collected 

 ! during his voyages round the coasts 

 I of New Holland, 338 

 : Kingia, a plant of very similiar habit 

 to Xanthorrha'a, 51, 435 

 Kingia, characters ami descrijjtion of 

 I the genus, 433—439 ; observations 

 I on its ovulum, 439, 447 

 I Koniga, characters of the genus, with 

 I observations on its affinities and on 

 I the structure of its septum, 266, 

 I 268 



Labiatae form with Verbenaccaj, a 

 natural class, 38, 135 

 j Labiatffi, observations on the order, 

 I and on its distribution in Terra 

 i Australis, 38; on the species found 

 t in the vicinity of the Congo, 135; 

 I in Central Africa, 297 



Lardizubalcffi, arranijement of ovula in 

 the cari)els of, 379 note, 555 



Lasianthera, too imj)erfectly known lo 

 determine its place, 151 



Laurina*, with the exception of Cas- 

 sytha, supposed to be unknown on 

 the continent of .Vfrica, 15(> 



Leea and Aquilicia, only ditrereut 

 names for the same genu'*, 151 ; 

 nearly related, if not absolutely 

 belonging, to Viniferie, ibid. 



Lcgnotis, its characters and affinity, 

 119 



Leguminosae, a natural class divisible 

 into at least three orders, i.i\ 

 number of species published, and of 

 species found in Terra Australis, 

 22 ; of s[)ccics found in the vicinilv 



